For signaling, remote control, or other low-power, low-voltage control or sensing ___

For signaling, remote control, or other low-power, low-voltage control or sensing circuits, additional, even higher ______________ - ___________ control transformers are used to limit the rated-load current of the transformer primary circuit to a value well below the load-current rating of the supply branch-circuit fuse(s) or circuit breaker.

A) impedance-rated
B) voltage-rated
C) none of the answers
D) capacitance-rated

Show Answer

Answer:A

Share your understanding of this question with the correct explanation.